I hear entire symphonies, oratorios, in my head, but I can't write a note.
An apex is always surrounded only by emptiness
The thing all writers do best is find ways to avoid writing.
Where lies the line between sorcery and science? It is only a matter of terminology, my friend.
Keep writing. Try to do a little bit every day, even if the result looks like crap. Getting from page four to page five is more important than spending three weeks getting page four perfect.
Advances have fallen, generally, for everything except the biggest potential bestsellers. Given all the changes, both economic and technological, SF hasn't done too badly.